High Reynolds Number Stratified Wakes Studies
Abstract
This FY19 proposed effort will analyze and interpret the high Reynolds number wake data obtained during the prior grant period in the Triadelphia Reservoir and in the Ohmsett tank facility and will publish the results in scientific journals. This proposed effort seeks to answer the following scientific questions: 1. What are the characteristics of the near-field and middle distance (early non-equilibrium regime) mean and turbulent wake velocity and density fields generated by a sphere.moving in stratification at 4 x 105 ? Re ? 2 x 106; a Re range in which no stratified flow data exist? 2. How do these wake characteristics vary with Reynolds and Froude numbers? 3. How do these data inform recent and ongoing numerical modeling efforts by confirming or modifying their assumptions and interpretation of results, and how can the results of the complementary experimental and numerical efforts be combined to best provide physical insight and reliable predictions? The results of this study will provide a basis for understanding detailed characteristics and evolution of the near fields of full-scale ocean wakes and internal waves. They can be used for validation computational fluid dynamics and theoretical models. The results will be transitioned for use in applied Navy programs.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Apr 25, 2019
- Source ID
- N000141912151
Entities
People
- Alan Brandt
Organizations
- Johns Hopkins University
- Office of Naval Research
- United States Navy